The Webasto Series 20 is a manually operated sliding roof, designed for a large range of applications and can be installed easily in various sized vessels. This roof system is engineered with an 8mm tempered safety glass panel, with a 44.5x9D x 39.5x9D opening. For ease of installation, the Series 20 offers tilt and slide capabilities with no electrical wiring required. Perfectly suitable for ventilation of a cabin, the large opening and quiet operation will assure comfort on the water for everyday boaters.